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Transistor: Working

An 8 bit succ...

Question

An 8 bit successive approximation analog to digital converter has full scale reading of $2.55 V$ and its conversion time for an analog input of $1 V$ is 20 $μ s .$ The conversion time for a $2 V$ input will be

A

10 μ s

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B

20 μ s

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C

40 μ s

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D

50 μ s

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Solution

The correct option is B $20 μ s$
Conversion time of successive approximation ADC depends upon the number of bits only and not on the value of the voltage.

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